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Abudefduf troschelii  (Gill, 1862)

Panamic sergeant major
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| Native range | All suitable habitat | PointMap | Year 2100 |
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Abudefduf troschelii   AquaMaps   Data sources: GBIF OBIS
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Image of Abudefduf troschelii (Panamic sergeant major)
Abudefduf troschelii
Picture by Allen, G.R.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Pomacentridae (Damselfishes) > Pomacentrinae
Etymology: Abudefduf: Arabic, abu = father; this fish is the leader of the reef against other species (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; non-migratory; depth range 1 - 12 m (Ref. 5592).   Tropical; 32°N - 18°S, 115°W - 73°W

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 55763); common length : 10.0 cm TL male/unsexed; (Ref. 55763)

Short description Morphology | Morphometrics

Dorsal spines (total): 13; Dorsal soft rays (total): 12-13; Anal spines: 2; Anal soft rays: 10 - 13. With black spot on pectoral fin base.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Pacific: throughout the Gulf of California and from Bahía San Juanico, Baja California, Mexico to northern Peru, the Galapagos Islands and other offshore islands.

Biology     Glossary (e.g. epibenthic)

Adults inhabit rocky and coral reefs (Ref. 9334). Usually in large aggregations. These diurnal feeders feed on plankton at the surface or mid-water; also graze on benthic invertebrates and algae on the reef. Breed during early summer in the Gulf and continues throughout the summer until fall. This fish is a warm-water, stenothermal species. Juveniles of second year class have been observed cleaning schools of striped mullet, halfbeaks and needlefish (Ref. 5592). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

Main reference Upload your references | References | Coordinator : Allen, Gerald R. | Collaborators

Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01035 - 0.05069), b=2.98 (2.79 - 3.17), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.32 se; Based on food items.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100) .
Price category (Ref. 80766):   Unknown.